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 Header | Definition
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 `Pollster` | The organization that conducted the poll (rather than the organization that paid for or sponsored it).
-`Live Caller With Cellphones Cellphones` | Yes indicates the polling firm usually or always uses live telephone interviews and places calls to cellphones in addition to landlines (as of May 27, 2016). Text messages do not count. We assume a polling firm has not begun to include cellphones in its samples until we have evidence to the contrary. Pollsters that have routinely begun to include cellphones in their samples but are listed without a Yes should [contact FiveThirtyEight](mailto:primary-forecast@fivethirtyeight.com).
+`Live Caller With Cellphones` | Yes indicates the polling firm usually or always uses live telephone interviews and places calls to cellphones in addition to landlines (as of May 27, 2016). Text messages do not count. We assume a polling firm has not begun to include cellphones in its samples until we have evidence to the contrary. Pollsters that have routinely begun to include cellphones in their samples but are listed without a Yes should [contact FiveThirtyEight](mailto:primary-forecast@fivethirtyeight.com).
 `Internet` | Whether the polling firm usually conducts all of its interviews online, as of May 27, 2016.
 `NCPP/AAPOR/Roper` | Yes indicates that the polling firm was a member of the National Council of Public Polls (NCPP), a signatory to the American Association for Public Opinion Research (AAPOR) Transparency Initiative, or a contributor to the Roper Center data archive as of May 27, 2016.
-`Polls analyzed` | The number of polls conducted in the final three weeks of House, Senate, gubernatorial and presidential general election campaigns since 1998, and the last three weeks of presidential primaries and caucuses from 2000 through May 17, 2016.
+`Polls` | The number of polls conducted in the final three weeks of House, Senate, gubernatorial and presidential general election campaigns since 1998, and the last three weeks of presidential primaries and caucuses from 2000 through June 7, 2016.
 `Simple Average Error` | A polling firm's average error, calculated as the difference between the polled result and the actual result for the margin separating the top two finishers in the race.
-`Simple Plus-Minus` | A polling firm’s average error as compared with other polls of the same types of elections, also controlling for a poll’s sample size and the number of days between the poll and the election. Negative scores are favorable and indicate above-average performance.
 `Races Called Correctly` | The percentage of polls in which the polling firm correctly identified the winner of the race. If the poll indicated a tie for the lead and one of the tied candidates won, the pollster received credit for half a win.
 `Advanced Plus-Minus` | How a pollster’s average error has compared with other polling firms surveying the same races, accounting for the type of election polled, the number of days until the election, the poll’s sample size, the competitiveness of the race and the number of other pollsters surveying the same race. Negative scores are favorable and indicate above-average quality.
 `Predictive Plus-Minus` | A projection of how accurate the poll will be in future elections relative to other polls, based on a combination of a pollster’s historical performance, the number of polls it has in the database, and our proxies for methodological quality. Negative scores are favorable and indicate above-average quality.